{
 "designation": "1000WB258",
 "type": "Welded Beam",
 "standard": "AS/NZS 3679.2",
 "mass_kg_m": 258.0,
 "dimensions_mm": {
  "d": 1010.0,
  "bf": 350.0,
  "tf": 25.0,
  "tw": 16.0
 },
 "properties": {
  "A": 32860.0,
  "Ix": 5425293833.3333,
  "Iy": 178973513.3333,
  "Zx": 10743156.1056,
  "Zy": 1022705.7905,
  "Sx": 12305150.0,
  "Sy": 1592690.0,
  "J": 4956553.3333,
  "Iw": 43411144243458.31,
  "rx": 406.329,
  "ry": 73.8007,
  "mass_calc": 257.951,
  "surface": 3.388,
  "surface_t": 13.1318
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 430,
  "kf": 0.7902131526295402,
  "phiVv": 2322432.0,
  "phiNs": 6543533.857242486,
  "phiNt": 8280720.0,
  "phiMsx": 3100897799.999997,
  "phiMsy": 386582788.79999983,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/welded-beams/1000wb258/"
}